Home / 8,730,321.40-13,097,071.01-2,972,760.81

Finding the Fourth Proportional to 8,730,321.40, 13,097,071.01 and 2,972,760.81

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Solution

The fourth proportional to 8,730,321.40, 13,097,071.01 and 2,972,760.81 is: 4,459,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730,321.40 : 13,097,071.01 = 2,972,760.81 : x
  2. Step 2: Convert to fraction form
    8,730,321.40/13,097,071.01 = 2,972,760.81/x
  3. Step 3: Cross multiply
    8,730,321.40x = 13,097,071.01 × 2,972,760.81
  4. Step 4: Simplify right side
    8,730,321.40x = 38,934,459,424,315.12
  5. Step 5: Solve for x
    x = 38,934,459,424,315.12/8,730,321.40
  6. Step 6: Final answer
    x = 4,459,682.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.